<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="课程名" prop="className">
        <el-input
          v-model="queryParams.className"
          placeholder="请输入课程名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
       
      </el-col>
    
    
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:comment:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="commentList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="id" align="center" prop="id" />
      <el-table-column label="课程名" align="center" prop="className" />
      <el-table-column label="课程类型" align="center" prop="classType" />
      <el-table-column label="课程类型" align="center" prop="classTea" />
      <el-table-column label="选课人名称" align="center" prop="stuName" />
      <el-table-column label="课程评论" align="center" prop="classComment" />
      <el-table-column label="课程打分" align="center" prop="classFraction" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:comment:edit']"
          >课程评论/打分</el-button>
         
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改【请填写功能名称】对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item  label="课程名" prop="className">
          <el-input disabled v-model="form.className" placeholder="请输入课程名" />
        </el-form-item>
        <el-form-item label="课程评论" prop="classComment">
          <el-input v-model="form.classComment" placeholder="请输入课程评论" />
        </el-form-item>
        <el-form-item label="课程打分" prop="classFraction">
          <el-select v-model="value" placeholder="请选择">
            <el-option
              v-for="item in options"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listComment, getComment, delComment, addComment, updateComment } from "@/api/system/comment";

export default {
  name: "Comment",
  data() {
    return {
      value: '',
      options: [{
          value: '10',
          label: '非常满意😋'
        }, {
          value: '5',
          label: '觉得还好😆'
        }, {
          value: '3',
          label: '觉得一般😅'
        }, {
          value: '1',
          label: '非常不好👹'
        }],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 【请填写功能名称】表格数据
      commentList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        classId: null,
        className: null,
        classType: null,
        classTea: null,
        stuId: null,
        stuName: null,
        classComment: null,
        classFraction: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询【请填写功能名称】列表 */
    getList() {
      this.loading = true;
      listComment(this.queryParams).then(response => {
       
        this.commentList = response.rows;
        for(let a = 0;a< this.commentList.length ;a++){
           if(this.commentList[a].classFraction == 1){
            this.commentList[a].classFraction = '非常不好👹';
        }else if(this.commentList[a].classFraction == 3){
          this.commentList[a].classFraction = '觉得一般😅';

        }else if(this.commentList[a].classFraction== 5){
          this.commentList[a].classFraction= '觉得还好😆';
          
        }else if(this.commentList[a].classFraction== 10){
          this.commentList[a].classFraction = '非常满意😋';
          }
          else if(this.commentList[a].classFraction== 0){
          this.commentList[a].classFraction = '还未打分捏😆👌';
          }
        }
       
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        classId: null,
        className: null,
        classType: null,
        classTea: null,
        stuId: null,
        stuName: null,
        classComment: null,
        classFraction: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加【请填写功能名称】";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
        getComment(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "添加评论/打分";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.form.classFraction = this.value;
          if (this.form.id != null) {
            updateComment(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.value ='';
              this.open = false;
              this.getList();
            });
          } else {
            addComment(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除【请填写功能名称】编号为"' + ids + '"的数据项？').then(function() {
        return delComment(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/comment/export', {
        ...this.queryParams
      }, `comment_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
